Nice!
-------------- Original message ----------------------
From: "Travis Spencer" <[EMAIL PROTECTED]>
> Good Afternoon All,
>
> I was trying to generate some graphs this afternoon w/ the following
> command in a batch script:
>
> rrdtool.exe ^
> graph %OUTPUT% ^
> -h 116 ^
> -w 368 ^
> -s -1month ^
> -e now ^
> -c ARROW#000000 ^
> -c MGRID#CCCCCC ^
> -c GRID#FFFFFF ^
> -c FONT#8D8D8D ^
> -c SHADEA#FFFFFF ^
> -c SHADEB#FFFFFF ^
> -c AXIS#000000 ^
> -x HOUR:1:HOUR:1:HOUR:1:0:%%H ^
> -g ^
> -A ^
> -a PNG ^
> DEF:in=%RRD_FILE%.rrd:ds0:AVERAGE ^
> LINE1:in#0000FF
>
> This produced the following error:
>
> ...
> time 1175760000: -1.#Je+000
> time 1175767500: -1.#Je+000
> time 1175775000: -1.#Je+000
> time 1175782500: -1.#Je+000
> time 1175790000: -1.#Je+000
> time 1175797500: -1.#Je+000
> time 1175805000: -1.#Je+000
> time 1175812500: -1.#Je+000
> digits 0.000 im->magfact 1.000
> Min: 0.00 Max: 1.00 MagFactor: 1.00
> SCALED Min: -0.10 Max: 1.10 Factor: 1.00
> 443x170
> ERROR: failed to load C:\WINDOWS\fonts\arial.ttf
>
> I tracked it down to an error in FreeType's ftsystem.c when it called fopen:
>
> file = fopen( filepathname, "rb" );
> if ( !file )
> {
> FT_ERROR(( "FT_Stream_Open:" ));
> FT_ERROR(( " could not open `%s'\n", filepathname ));
>
> return FT_Err_Cannot_Open_Resource;
> }
>
> I checked errno at that point, and found that the process had to many
> files opened. I checked the FreeType docs and read that after calling
> FT_Open_Face (which gfx_save_png calls indirectly when it invokes
> FT_New_Face) FT_Done_Face should be called. Once I did that, rrdtool
> was able to execute my graph function for me.
>
> The patch is included below. HTH!
>
> --
>
> Regards,
>
> Travis Spencer
>
> --- rrd_gfx.c~ Thu Apr 05 13:53:59 2007
> +++ rrd_gfx.c Thu Apr 05 13:50:04 2007
>
> @@ -612,3 +609,4 @@
> &face );
> if ( error ) {
> rrd_set_error("failed to load %s",node->filename);
> + FT_Done_Face(face);
>
> break;
> }
> @@ -620,6 +618,11 @@
> (long)(node->size*64),
> (long)(100*canvas->zoom),
> (long)(100*canvas->zoom));
> - if ( error ) break;
> + if ( error )
> + {
> + FT_Done_Face(face);
> + break;
> + }
> +
> pen_x = node->x * canvas->zoom;
> pen_y = node->y * canvas->zoom;
>
> string = gfx_string_create (canvas, face, node->text,
> node->angle, node->tabwidth, node->size);
> + FT_Done_Face(face);
> +
> switch(node->halign){
> case GFX_H_RIGHT: vec.x = -string->bbox.xMax;
> break;
>
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